How does a scale change in an equation effect the points on the graph? Given an equation, students often confuse what happens to an equation in function form with what happens to the points in a list or graph. This example will help to visualize the situation parametrically.

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
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National Science Foundation.